Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 18.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2021   02:51:58   ( -79.20,-148.21) 06/18/2021   02:50:47  ( -79.20,-148.26)    0.98                71
 06/18/2021   03:41:15   (  79.54,  21.74) 06/18/2021   03:41:21  (  79.55,  21.82)    1.67                 6
 06/20/2021   19:08:25   ( -79.29, -31.75) 06/20/2021   19:07:42  ( -79.28, -31.83)    1.64                43
 06/20/2021   19:57:43   (  79.59, 137.95) 06/20/2021   19:58:17  (  79.60, 138.00)    1.26                34
 06/23/2021   11:24:50   ( -79.41,  84.94) 06/23/2021   11:24:35  ( -79.40,  84.86)    1.76                15
 06/23/2021   12:14:09   (  79.67,-105.60) 06/23/2021   12:15:11  (  79.67,-105.54)    1.41                62
 06/26/2021   02:51:55   (  79.29,  32.36) 06/26/2021   02:50:50  (  79.30,  32.48)    2.51                65
 06/26/2021   03:41:17   ( -79.49,-158.65) 06/26/2021   03:41:30  ( -79.49,-158.71)    1.30                13
 06/28/2021   19:08:24   (  79.28, 148.21) 06/28/2021   19:07:48  (  79.28, 148.09)    2.75                36
 06/28/2021   19:57:43   ( -79.60, -41.99) 06/28/2021   19:58:24  ( -79.60, -42.00)    0.30                41
 07/01/2021   11:24:49   (  79.43, -94.94) 07/01/2021   11:24:41  (  79.42, -94.99)    1.07                 8